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Alika [10]
3 years ago
9

Valence electrons determine...(one word)

Chemistry
1 answer:
zepelin [54]3 years ago
6 0
Valence electrons determine its valency ? (The group, as in its oxidation state and stability)
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Calculate the number of SO2 molecules formed when 14 S8 molecules and 184 O2 molecules react
Scilla [17]

Answer:

112 molecules are formed from the reaction

Explanation:

Let's make the reaction:

S₈ + 8O₂  → 8SO₂

1 mol of S₈ reacts with 8 moles of O₂ to produce 8 moles of sulfur dioxide

Let's determine the moles ( amount of molecules / NA)

14 / 6.02x10²³ = 2.32x10⁻²³ mol of S

184 / 6.02x10²³ = 3.05x10⁻²² mol of O₂

As ratio is 1:8, the limiting reactant would be the sulfur. It's obviouly I do not have enough the amount of molecules.

8 mol of O₂ need 1 mol of S₈

3.05x10⁻²² mol of O₂ would need (3.05x10⁻²² / 8) = 3.81ₓ10²¹

Now, that we get the limiting, we can work with the reaction

1 mol of S₈ produce 8 mol of dioxide

Then, 2.32x10⁻²³ mol of S will produce (2.32x10⁻²³ . 8) = 1.85x10⁻²² moles of SO₂

Let's convert the moles in, amount of molecules (mol . NA)

1.85x10⁻²² mol . 6.02x10²³ = 112 molecules

3 0
3 years ago
Which interaction is a direct result of chemical weathering?
emmainna [20.7K]
Chemical weathering is the erosion of rocks, buildings etc.d sounds like a very good answer
6 0
3 years ago
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Why is sodium chloride not considered a molecular compound? What kind of compound is it?
e-lub [12.9K]

Answer:

Something like table salt (NaCl) is a compound because it is made from more than one kind of element (sodium and chlorine), but it is not a molecule because the bond that holds NaCl together is an ionic bond. If you like, you can say that sodium chloride is an ionic compound.

Explanation:

5 0
2 years ago
Which is a mixture?
Rama09 [41]
Potassium and chlorine
5 0
3 years ago
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1) Which of the following is the smallest unit of a chemio<br> Tallest unit of a chemical element?
solong [7]

Answer:

Nanomachines will work with atoms, not nuclei. The smallest unit of a chemical element, about a third of a nanometer in diameter. Atoms make up molecules and solid objects.

Explanation:

6 0
3 years ago
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